Unauthorized Disclosure definition in Computer Security terms:
Definition(s): An event involving the exposure of information to entities not authorized access to the information.
Source(s): CNSSI 4009-2015 (NIST SP 800-57 Part 3)
NIST SP 800-57 Part 1 Rev. 3
NIST SP 800-57 Part 2
NIST SP 800-57 Part 3 Rev. 1
reference: CSRC Glossary